“There’s a definite belief in our culture that talking about our problems makes you feel better,” says Rose, an associate professor of psychology at the University of Missouri, Columbia, whose research was published in the July issue of Developmental Psychology. “That’s true in moderation. ... It only becomes risky when it becomes excessive.”

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Still, there’s an upside to all that complaining. Rose points out that in her findings, the girls who vented to each other also reported feeling closer to their friends. It can establish an instant bond because the listeners know the complainer trusts them enough to spill their emotions — and the complainer’s just grateful that someone is willing to listen.